cf/mirror
11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

62 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2217FInterval Game
bitmaskscombinatoricsconstructive algorithmsdpgamesgreedymathprobabilities
2300885
2211DAND-array
bitmaskscombinatoricsmath
19003.2k
2182F1Christmas Reindeer (easy version)
bitmasksbrute forcecombinatoricsdpmath
23001.3k
2182F2Christmas Reindeer (hard version)
bitmasksbrute forcecombinatoricsdata structuresgreedymath
25001.1k
2180GBalance
bitmaskscombinatoricsimplementationmath
3500154
2176FOmega Numbers
bitmaskscombinatoricsdpmathnumber theory
24001.6k
2171GSakura Adachi and Optimal Sequences
bitmaskscombinatoricsgreedymath
20002.4k
2135CBy the Assignment
binary searchbitmaskscombinatoricsdfs and similardsugraphsmath
20005.4k
2125CCount Good Numbers
bitmaskscombinatoricsmathnumber theory
110023.3k
2096HWonderful XOR Problem
bitmaskscombinatoricsdpfftmath
3200235
2075EXOR Matrix
bitmaskscombinatoricsdpimplementationmath
25001.2k
2072FGoodbye, Banker Life
2-satbitmaskscombinatoricsconstructive algorithmsfftmathnumber theory
17008.7k
2066CBitwise Slides
bitmaskscombinatoricsdpmath
23002.6k
2056F1Xor of Median (Easy Version)
bitmasksbrute forcecombinatoricsdpmath
2700455
2056F2Xor of Median (Hard Version)
bitmasksbrute forcecombinatoricsdpmath
3000362
2040COrdered Permutations
bitmaskscombinatoricsconstructive algorithmsgreedymathtwo pointers
160011k
2037GNatlan Exploring
bitmaskscombinatoricsdata structuresdpmathnumber theory
20003.9k
1982ENumber of k-good subarrays
bitmasksbrute forcecombinatoricsdivide and conquerdpmathmeet-in-the-middle
23001.9k
1975FSet
bitmasksbrute forcecombinatoricsdfs and similardivide and conquerdpmath
26001.1k
1967CFenwick Tree
bitmasksbrute forcecombinatoricsdata structuresdpmathtrees
23002.3k
1933GTurtle Magic: Royal Turtle Shell Pattern
bitmasksbrute forcecombinatoricsconstructive algorithmsdfs and similarmath
23001.2k
1879DSum of XOR Functions
bitmaskscombinatoricsdivide and conquerdpmath
170011.1k
1848FVika and Wiki
binary searchbitmaskscombinatoricsdivide and conquerdpmath
24002.1k
1843CSum in Binary Tree
bitmaskscombinatoricsmathtrees
80040.3k
1840BBinary Cafe
bitmaskscombinatoricsmath
110025k
1829HDon't Blame Me
bitmaskscombinatoricsdpmath
170011.3k
1815DXOR Counting
bitmaskscombinatoricsdpmath
26001.5k
1777DScore of a Tree
bitmaskscombinatoricsdfs and similardpmathprobabilitiestrees
19004.9k
1773GGame of Questions
bitmaskscombinatoricsdpfftmathprobabilities
2800560
1770FKoxia and Sequence
bitmaskscombinatoricsdpmathnumber theory
31001k
1748DConstructOR
bitmaskschinese remainder theoremcombinatoricsconstructive algorithmsmathnumber theory
21003.3k
1743GAntifibonacci Cut
bitmaskscombinatoricsconstructive algorithmsdata structuresdphashingmath
3000381
1728GIllumination
binary searchbitmasksbrute forcecombinatoricsdpmathtwo pointers
2700669
1713FLost Array
bitmaskscombinatoricsconstructive algorithmsdpmath
2900771
1673EPower or XOR?
bitmaskscombinatoricsmathnumber theory
2500850
1641DTwo Arrays
bitmasksbrute forcecombinatoricsgreedyhashingmathtwo pointers
27001.6k
1616HKeep XOR Low
bitmaskscombinatoricsdata structuresdivide and conquerdpmath
30001.4k
1614CDivan and bitwise operations
bitmaskscombinatoricsconstructive algorithmsdpmath
150011.4k
1567CCarrying Conundrum
bitmaskscombinatoricsdpmath
160013.3k
1557CMoamen and XOR
bitmaskscombinatoricsdpmathmatrices
170010.9k
1556FSports Betting
bitmaskscombinatoricsdpgraphsmathprobabilities
25001.5k
1530FBingo
bitmaskscombinatoricsdpmathprobabilities
26001.2k
1514BAND 0, Sum Big
bitmaskscombinatoricsmath
120036.7k
1513BAND Sequences
bitmaskscombinatoricsconstructive algorithmsmath
140021k
1400GMercenaries
bitmasksbrute forcecombinatoricsdpdsumathtwo pointers
26001.2k
1365GSecure Password
bitmaskscombinatoricsconstructive algorithmsinteractivemath
28001.5k
1336E1Chiori and Doll Picking (easy version)
bitmasksbrute forcecombinatoricsmath
2700902
1336E2Chiori and Doll Picking (hard version)
bitmasksbrute forcecombinatoricsmath
3500706
1329BDreamoon Likes Sequences
bitmaskscombinatoricsmath
17007.2k
1299DAround the World
bitmaskscombinatoricsdfs and similardpgraphsmathtrees
3000652
1073ESegment Sum
bitmaskscombinatoricsdpmath
23003.8k
1043FMake It One
bitmaskscombinatoricsdpmathnumber theoryshortest paths
25003.1k
1007BPave the Parallelepiped
bitmasksbrute forcecombinatoricsmathnumber theory
24001.1k
920GList Of Integers
binary searchbitmasksbrute forcecombinatoricsmathnumber theory
22002.1k
908ENew Year and Entity Enumeration
bitmaskscombinatoricsdpmath
2500871
900DUnusual Sequences
bitmaskscombinatoricsdpmathnumber theory
20003.9k
895CSquare Subsets
bitmaskscombinatoricsdpmath
20007.6k
547CMike and Foam
bitmaskscombinatoricsdpmathnumber theory
23003.5k
476BDreamoon and WiFi
bitmasksbrute forcecombinatoricsdpmathprobabilities
130038k
431DRandom Task
binary searchbitmaskscombinatoricsdpmath
21003k
232BTable
bitmaskscombinatoricsdpmath
19001.7k
217DBitonix' Patrol
bitmasksbrute forcecombinatoricsdfs and similarmath
2900282

showing 1–62 of 62